Cleantech is a term used to describe products or services that improve operational performance, productivity, or efficiency while reducing costs, inputs, energy consumption, waste, or environmental pollution.
Clean technologies are competitive with, if not superior to, their conventional counterparts. Many also offer significant additional benefits, notably their ability to improve the lives of those in both developed and developing countries.

Clean technology includes recycling, renewable energy, green transportation, electric motors, green chemistry, etc. It is a means to create electricity and fuels, with a smaller environmental footprint and minimize pollution; to make green buildings, transport and infrastructure both more energy efficient and environmentally benign.